The HI93701-03 are reagents for the colorimetric determination of free chlorine, for use with Hanna's line of compatible benchtop and portable meters. These high quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.

• Pre-made reagents for ease of use
• Prepared with high purity chemicals
• Marked with expiration date and lot number for traceability